./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e184773994bf5ba427e3ad6843df80bcf1aa90cb50c2ace36ee6ac9939c1f916 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 02:41:48,807 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 02:41:48,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 02:41:48,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 02:41:48,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 02:41:48,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 02:41:48,871 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 02:41:48,876 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 02:41:48,878 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 02:41:48,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 02:41:48,885 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 02:41:48,887 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 02:41:48,888 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 02:41:48,891 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 02:41:48,893 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 02:41:48,896 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 02:41:48,897 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 02:41:48,899 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 02:41:48,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 02:41:48,907 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 02:41:48,909 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 02:41:48,911 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 02:41:48,912 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 02:41:48,913 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 02:41:48,914 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 02:41:48,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 02:41:48,923 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 02:41:48,924 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 02:41:48,925 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 02:41:48,926 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 02:41:48,927 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 02:41:48,927 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 02:41:48,929 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 02:41:48,930 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 02:41:48,930 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 02:41:48,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 02:41:48,931 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 02:41:48,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 02:41:48,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 02:41:48,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 02:41:48,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 02:41:48,936 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 02:41:48,937 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 02:41:48,971 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 02:41:48,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 02:41:48,971 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 02:41:48,972 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 02:41:48,972 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 02:41:48,973 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 02:41:48,974 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 02:41:48,974 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 02:41:48,974 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 02:41:48,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 02:41:48,975 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 02:41:48,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 02:41:48,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 02:41:48,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 02:41:48,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 02:41:48,976 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 02:41:48,976 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 02:41:48,976 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 02:41:48,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 02:41:48,977 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 02:41:48,977 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 02:41:48,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 02:41:48,977 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 02:41:48,978 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 02:41:48,978 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 02:41:48,978 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 02:41:48,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 02:41:48,978 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 02:41:48,979 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 02:41:48,979 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 02:41:48,979 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e184773994bf5ba427e3ad6843df80bcf1aa90cb50c2ace36ee6ac9939c1f916 [2022-07-20 02:41:49,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 02:41:49,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 02:41:49,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 02:41:49,289 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 02:41:49,290 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 02:41:49,291 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2022-07-20 02:41:49,357 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71024c847/f17168f7ced6450cbb37b655192fd756/FLAGa48b0e07e [2022-07-20 02:41:50,204 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 02:41:50,205 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2022-07-20 02:41:50,259 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71024c847/f17168f7ced6450cbb37b655192fd756/FLAGa48b0e07e [2022-07-20 02:41:50,705 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71024c847/f17168f7ced6450cbb37b655192fd756 [2022-07-20 02:41:50,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 02:41:50,710 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 02:41:50,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 02:41:50,715 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 02:41:50,718 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 02:41:50,719 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:41:50" (1/1) ... [2022-07-20 02:41:50,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@925a307 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:41:50, skipping insertion in model container [2022-07-20 02:41:50,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:41:50" (1/1) ... [2022-07-20 02:41:50,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 02:41:50,899 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 02:41:54,295 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[340444,340457] [2022-07-20 02:41:54,298 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[340589,340602] [2022-07-20 02:41:54,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:41:54,382 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 02:41:54,751 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[340444,340457] [2022-07-20 02:41:54,752 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[340589,340602] [2022-07-20 02:41:54,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:41:54,914 INFO L208 MainTranslator]: Completed translation [2022-07-20 02:41:54,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:41:54 WrapperNode [2022-07-20 02:41:54,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 02:41:54,916 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 02:41:54,917 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 02:41:54,917 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 02:41:54,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:41:54" (1/1) ... [2022-07-20 02:41:55,039 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:41:54" (1/1) ... [2022-07-20 02:41:55,250 INFO L137 Inliner]: procedures = 430, calls = 2141, calls flagged for inlining = 204, calls inlined = 189, statements flattened = 5063 [2022-07-20 02:41:55,251 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 02:41:55,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 02:41:55,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 02:41:55,252 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 02:41:55,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:41:54" (1/1) ... [2022-07-20 02:41:55,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:41:54" (1/1) ... [2022-07-20 02:41:55,306 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:41:54" (1/1) ... [2022-07-20 02:41:55,307 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:41:54" (1/1) ... [2022-07-20 02:41:55,434 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:41:54" (1/1) ... [2022-07-20 02:41:55,463 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:41:54" (1/1) ... [2022-07-20 02:41:55,494 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:41:54" (1/1) ... [2022-07-20 02:41:55,542 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 02:41:55,543 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 02:41:55,543 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 02:41:55,544 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 02:41:55,545 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:41:54" (1/1) ... [2022-07-20 02:41:55,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 02:41:55,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 02:41:55,574 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-20 02:41:55,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-20 02:41:55,622 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-07-20 02:41:55,622 INFO L130 BoogieDeclarations]: Found specification of procedure BB_GET_BIT2 [2022-07-20 02:41:55,623 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_GET_BIT2 [2022-07-20 02:41:55,623 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-07-20 02:41:55,623 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-07-20 02:41:55,623 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-20 02:41:55,623 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-20 02:41:55,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 02:41:55,624 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 02:41:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_open [2022-07-20 02:41:55,624 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_open [2022-07-20 02:41:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_poll_stop [2022-07-20 02:41:55,624 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_poll_stop [2022-07-20 02:41:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure is_quattro_p [2022-07-20 02:41:55,625 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quattro_p [2022-07-20 02:41:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-20 02:41:55,625 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-20 02:41:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_close [2022-07-20 02:41:55,625 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_close [2022-07-20 02:41:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 02:41:55,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 02:41:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-20 02:41:55,626 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-20 02:41:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_87 [2022-07-20 02:41:55,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_87 [2022-07-20 02:41:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_set_multicast [2022-07-20 02:41:55,627 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_set_multicast [2022-07-20 02:41:55,627 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-20 02:41:55,627 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-20 02:41:55,627 INFO L130 BoogieDeclarations]: Found specification of procedure BB_PUT_BIT [2022-07-20 02:41:55,627 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_PUT_BIT [2022-07-20 02:41:55,627 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-07-20 02:41:55,627 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-07-20 02:41:55,628 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_begin_auto_negotiation [2022-07-20 02:41:55,628 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_begin_auto_negotiation [2022-07-20 02:41:55,628 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_get_counters [2022-07-20 02:41:55,628 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_get_counters [2022-07-20 02:41:55,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_happy_lock_of_happy_meal [2022-07-20 02:41:55,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_happy_lock_of_happy_meal [2022-07-20 02:41:55,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 02:41:55,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 02:41:55,629 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-20 02:41:55,629 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-20 02:41:55,630 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-20 02:41:55,630 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-20 02:41:55,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2022-07-20 02:41:55,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2022-07-20 02:41:55,630 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-20 02:41:55,630 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-20 02:41:55,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 02:41:55,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 02:41:55,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 02:41:55,631 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-20 02:41:55,631 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-20 02:41:55,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2022-07-20 02:41:55,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2022-07-20 02:41:55,633 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-20 02:41:55,633 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-20 02:41:55,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-20 02:41:55,634 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-20 02:41:55,634 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-20 02:41:55,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-20 02:41:55,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 02:41:55,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 02:41:55,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 02:41:55,635 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-20 02:41:55,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-20 02:41:55,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-20 02:41:55,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-20 02:41:55,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-20 02:41:55,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-20 02:41:55,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-20 02:41:55,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-20 02:41:55,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-20 02:41:55,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-20 02:41:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-20 02:41:55,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-20 02:41:55,638 INFO L130 BoogieDeclarations]: Found specification of procedure set_happy_link_modes [2022-07-20 02:41:55,638 INFO L138 BoogieDeclarations]: Found implementation of procedure set_happy_link_modes [2022-07-20 02:41:55,638 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_reset [2022-07-20 02:41:55,638 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_reset [2022-07-20 02:41:55,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 02:41:55,638 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tx_timeout [2022-07-20 02:41:55,638 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tx_timeout [2022-07-20 02:41:55,639 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-20 02:41:55,639 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-20 02:41:55,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 02:41:55,639 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_read [2022-07-20 02:41:55,640 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_read [2022-07-20 02:41:55,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 02:41:55,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 02:41:55,640 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-20 02:41:55,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-20 02:41:55,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 02:41:55,641 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 02:41:55,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 02:41:55,642 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-20 02:41:55,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-20 02:41:55,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-20 02:41:55,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-20 02:41:55,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-20 02:41:55,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-20 02:41:55,643 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-20 02:41:55,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-20 02:41:55,643 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-20 02:41:55,643 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-20 02:41:55,643 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 02:41:55,643 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 02:41:55,644 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-20 02:41:55,644 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-20 02:41:55,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-20 02:41:55,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-20 02:41:55,644 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-20 02:41:55,645 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-20 02:41:55,645 INFO L130 BoogieDeclarations]: Found specification of procedure is_lucent_phy [2022-07-20 02:41:55,645 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lucent_phy [2022-07-20 02:41:55,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 02:41:55,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 02:41:55,649 INFO L130 BoogieDeclarations]: Found specification of procedure hme_read_desc32 [2022-07-20 02:41:55,649 INFO L138 BoogieDeclarations]: Found implementation of procedure hme_read_desc32 [2022-07-20 02:41:55,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-20 02:41:55,651 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-20 02:41:55,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 02:41:55,651 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_clean_rings [2022-07-20 02:41:55,652 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_clean_rings [2022-07-20 02:41:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 02:41:55,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 02:41:55,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 02:41:55,657 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-20 02:41:55,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-20 02:41:55,657 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-20 02:41:55,657 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-20 02:41:55,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-20 02:41:55,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-20 02:41:55,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 02:41:55,658 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 02:41:55,658 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-20 02:41:55,658 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-20 02:41:55,658 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-07-20 02:41:55,658 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-07-20 02:41:55,659 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-20 02:41:55,659 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-20 02:41:55,659 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-20 02:41:55,659 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-20 02:41:55,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 02:41:55,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 02:41:55,659 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-20 02:41:55,660 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-20 02:41:55,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_86 [2022-07-20 02:41:55,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_86 [2022-07-20 02:41:55,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 02:41:55,660 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-20 02:41:55,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-20 02:41:55,660 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_stop [2022-07-20 02:41:55,661 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_stop [2022-07-20 02:41:55,661 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-20 02:41:55,661 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-20 02:41:55,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 02:41:55,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 02:41:55,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-20 02:41:55,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-20 02:41:55,661 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_pci_remove [2022-07-20 02:41:55,662 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_pci_remove [2022-07-20 02:41:55,662 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_init [2022-07-20 02:41:55,662 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_init [2022-07-20 02:41:55,662 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-20 02:41:55,662 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-20 02:41:55,662 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-20 02:41:55,662 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-20 02:41:55,663 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_write [2022-07-20 02:41:55,663 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_write [2022-07-20 02:41:55,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 02:41:55,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 02:41:55,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 02:41:55,663 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-20 02:41:55,663 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-20 02:41:55,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 02:41:55,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 02:41:55,664 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-20 02:41:55,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-20 02:41:55,664 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2022-07-20 02:41:55,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2022-07-20 02:41:55,664 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-20 02:41:55,664 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-20 02:41:55,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 02:41:55,665 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-07-20 02:41:55,665 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-07-20 02:41:55,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-20 02:41:55,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-20 02:41:55,665 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-07-20 02:41:55,667 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-07-20 02:41:55,667 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_transceiver_check [2022-07-20 02:41:55,667 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_transceiver_check [2022-07-20 02:41:56,443 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 02:41:56,446 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 02:41:57,059 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 02:42:02,618 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 02:42:02,636 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 02:42:02,637 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-20 02:42:02,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:42:02 BoogieIcfgContainer [2022-07-20 02:42:02,642 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 02:42:02,643 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 02:42:02,644 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 02:42:02,650 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 02:42:02,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 02:41:50" (1/3) ... [2022-07-20 02:42:02,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8f865b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:42:02, skipping insertion in model container [2022-07-20 02:42:02,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:41:54" (2/3) ... [2022-07-20 02:42:02,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8f865b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:42:02, skipping insertion in model container [2022-07-20 02:42:02,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:42:02" (3/3) ... [2022-07-20 02:42:02,653 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2022-07-20 02:42:02,668 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 02:42:02,668 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 02:42:02,756 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 02:42:02,761 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@ce4338a, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@c6e8e07 [2022-07-20 02:42:02,762 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 02:42:02,772 INFO L276 IsEmpty]: Start isEmpty. Operand has 1964 states, 1342 states have (on average 1.3487332339791356) internal successors, (1810), 1389 states have internal predecessors, (1810), 533 states have call successors, (533), 88 states have call predecessors, (533), 87 states have return successors, (529), 515 states have call predecessors, (529), 529 states have call successors, (529) [2022-07-20 02:42:02,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-07-20 02:42:02,791 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:42:02,792 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:42:02,792 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 02:42:02,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:42:02,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1416901098, now seen corresponding path program 1 times [2022-07-20 02:42:02,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:42:02,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605113481] [2022-07-20 02:42:02,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:42:02,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:42:03,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:03,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:42:03,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:03,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:42:03,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:03,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-20 02:42:03,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:03,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:42:03,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:03,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:42:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:03,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:42:03,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:03,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 02:42:03,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:03,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:42:03,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:03,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:42:03,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:03,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:42:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:03,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 02:42:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:03,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:42:03,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:03,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:42:03,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:03,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:42:03,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:03,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-20 02:42:03,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:03,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-20 02:42:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:03,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:42:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:03,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 02:42:03,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:03,613 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-20 02:42:03,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:42:03,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605113481] [2022-07-20 02:42:03,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605113481] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:42:03,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:42:03,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:42:03,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919110687] [2022-07-20 02:42:03,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:42:03,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:42:03,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:42:03,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:42:03,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:42:03,660 INFO L87 Difference]: Start difference. First operand has 1964 states, 1342 states have (on average 1.3487332339791356) internal successors, (1810), 1389 states have internal predecessors, (1810), 533 states have call successors, (533), 88 states have call predecessors, (533), 87 states have return successors, (529), 515 states have call predecessors, (529), 529 states have call successors, (529) Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-20 02:42:08,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:42:08,086 INFO L93 Difference]: Finished difference Result 4023 states and 6010 transitions. [2022-07-20 02:42:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:42:08,089 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 120 [2022-07-20 02:42:08,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:42:08,117 INFO L225 Difference]: With dead ends: 4023 [2022-07-20 02:42:08,117 INFO L226 Difference]: Without dead ends: 1934 [2022-07-20 02:42:08,139 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:42:08,142 INFO L413 NwaCegarLoop]: 2465 mSDtfsCounter, 1255 mSDsluCounter, 1821 mSDsCounter, 0 mSdLazyCounter, 1602 mSolverCounterSat, 1464 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1356 SdHoareTripleChecker+Valid, 4286 SdHoareTripleChecker+Invalid, 3066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1464 IncrementalHoareTripleChecker+Valid, 1602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-07-20 02:42:08,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1356 Valid, 4286 Invalid, 3066 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1464 Valid, 1602 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-07-20 02:42:08,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1934 states. [2022-07-20 02:42:08,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1934 to 1809. [2022-07-20 02:42:08,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1809 states, 1242 states have (on average 1.2826086956521738) internal successors, (1593), 1286 states have internal predecessors, (1593), 481 states have call successors, (481), 85 states have call predecessors, (481), 85 states have return successors, (480), 466 states have call predecessors, (480), 480 states have call successors, (480) [2022-07-20 02:42:08,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 1809 states and 2554 transitions. [2022-07-20 02:42:08,310 INFO L78 Accepts]: Start accepts. Automaton has 1809 states and 2554 transitions. Word has length 120 [2022-07-20 02:42:08,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:42:08,311 INFO L495 AbstractCegarLoop]: Abstraction has 1809 states and 2554 transitions. [2022-07-20 02:42:08,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-20 02:42:08,311 INFO L276 IsEmpty]: Start isEmpty. Operand 1809 states and 2554 transitions. [2022-07-20 02:42:08,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-07-20 02:42:08,315 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:42:08,315 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:42:08,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 02:42:08,316 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 02:42:08,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:42:08,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1833459386, now seen corresponding path program 1 times [2022-07-20 02:42:08,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:42:08,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950929110] [2022-07-20 02:42:08,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:42:08,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:42:08,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:08,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:42:08,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:08,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:42:08,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:08,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-20 02:42:08,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:08,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:42:08,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:08,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:42:08,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:08,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:42:08,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:08,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 02:42:08,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:08,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:42:08,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:08,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:42:08,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:08,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:42:08,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:08,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 02:42:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:08,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:42:08,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:08,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:42:08,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:08,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:42:08,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:08,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-20 02:42:08,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:08,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-20 02:42:08,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:08,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:42:08,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:08,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 02:42:08,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:08,720 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-20 02:42:08,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:42:08,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950929110] [2022-07-20 02:42:08,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950929110] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:42:08,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:42:08,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:42:08,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110585521] [2022-07-20 02:42:08,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:42:08,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:42:08,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:42:08,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:42:08,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:42:08,724 INFO L87 Difference]: Start difference. First operand 1809 states and 2554 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-20 02:42:13,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:42:13,580 INFO L93 Difference]: Finished difference Result 3723 states and 5283 transitions. [2022-07-20 02:42:13,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 02:42:13,581 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 121 [2022-07-20 02:42:13,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:42:13,605 INFO L225 Difference]: With dead ends: 3723 [2022-07-20 02:42:13,605 INFO L226 Difference]: Without dead ends: 1934 [2022-07-20 02:42:13,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-07-20 02:42:13,628 INFO L413 NwaCegarLoop]: 2247 mSDtfsCounter, 3125 mSDsluCounter, 2610 mSDsCounter, 0 mSdLazyCounter, 3087 mSolverCounterSat, 1935 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3399 SdHoareTripleChecker+Valid, 4857 SdHoareTripleChecker+Invalid, 5022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1935 IncrementalHoareTripleChecker+Valid, 3087 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-07-20 02:42:13,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3399 Valid, 4857 Invalid, 5022 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1935 Valid, 3087 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-07-20 02:42:13,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1934 states. [2022-07-20 02:42:13,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1934 to 1809. [2022-07-20 02:42:13,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1809 states, 1242 states have (on average 1.2818035426731078) internal successors, (1592), 1286 states have internal predecessors, (1592), 481 states have call successors, (481), 85 states have call predecessors, (481), 85 states have return successors, (480), 466 states have call predecessors, (480), 480 states have call successors, (480) [2022-07-20 02:42:13,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 1809 states and 2553 transitions. [2022-07-20 02:42:13,740 INFO L78 Accepts]: Start accepts. Automaton has 1809 states and 2553 transitions. Word has length 121 [2022-07-20 02:42:13,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:42:13,742 INFO L495 AbstractCegarLoop]: Abstraction has 1809 states and 2553 transitions. [2022-07-20 02:42:13,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-20 02:42:13,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1809 states and 2553 transitions. [2022-07-20 02:42:13,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-07-20 02:42:13,745 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:42:13,745 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:42:13,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 02:42:13,746 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 02:42:13,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:42:13,747 INFO L85 PathProgramCache]: Analyzing trace with hash 769657438, now seen corresponding path program 1 times [2022-07-20 02:42:13,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:42:13,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447156111] [2022-07-20 02:42:13,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:42:13,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:42:13,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:14,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:42:14,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:14,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:42:14,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:14,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-20 02:42:14,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:14,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:42:14,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:14,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:42:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:14,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:42:14,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:14,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 02:42:14,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:14,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:42:14,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:14,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:42:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:14,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:42:14,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:14,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 02:42:14,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:14,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:42:14,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:14,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:42:14,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:14,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:42:14,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:14,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-20 02:42:14,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:14,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-20 02:42:14,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:14,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:42:14,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:14,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 02:42:14,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:14,255 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-20 02:42:14,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:42:14,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447156111] [2022-07-20 02:42:14,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447156111] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:42:14,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:42:14,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 02:42:14,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317761016] [2022-07-20 02:42:14,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:42:14,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 02:42:14,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:42:14,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 02:42:14,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:42:14,259 INFO L87 Difference]: Start difference. First operand 1809 states and 2553 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-20 02:42:19,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:42:19,581 INFO L93 Difference]: Finished difference Result 3723 states and 5281 transitions. [2022-07-20 02:42:19,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 02:42:19,582 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 122 [2022-07-20 02:42:19,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:42:19,600 INFO L225 Difference]: With dead ends: 3723 [2022-07-20 02:42:19,600 INFO L226 Difference]: Without dead ends: 1934 [2022-07-20 02:42:19,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-07-20 02:42:19,615 INFO L413 NwaCegarLoop]: 2248 mSDtfsCounter, 4487 mSDsluCounter, 2612 mSDsCounter, 0 mSdLazyCounter, 3091 mSolverCounterSat, 3573 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4487 SdHoareTripleChecker+Valid, 4860 SdHoareTripleChecker+Invalid, 6664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3573 IncrementalHoareTripleChecker+Valid, 3091 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-07-20 02:42:19,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4487 Valid, 4860 Invalid, 6664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3573 Valid, 3091 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-07-20 02:42:19,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1934 states. [2022-07-20 02:42:19,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1934 to 1809. [2022-07-20 02:42:19,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1809 states, 1242 states have (on average 1.2809983896940418) internal successors, (1591), 1286 states have internal predecessors, (1591), 481 states have call successors, (481), 85 states have call predecessors, (481), 85 states have return successors, (480), 466 states have call predecessors, (480), 480 states have call successors, (480) [2022-07-20 02:42:19,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 1809 states and 2552 transitions. [2022-07-20 02:42:19,754 INFO L78 Accepts]: Start accepts. Automaton has 1809 states and 2552 transitions. Word has length 122 [2022-07-20 02:42:19,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:42:19,755 INFO L495 AbstractCegarLoop]: Abstraction has 1809 states and 2552 transitions. [2022-07-20 02:42:19,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-20 02:42:19,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1809 states and 2552 transitions. [2022-07-20 02:42:19,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-07-20 02:42:19,757 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:42:19,758 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:42:19,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 02:42:19,758 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 02:42:19,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:42:19,759 INFO L85 PathProgramCache]: Analyzing trace with hash -23583038, now seen corresponding path program 1 times [2022-07-20 02:42:19,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:42:19,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51990220] [2022-07-20 02:42:19,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:42:19,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:42:19,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:19,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:42:19,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:19,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:42:19,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:19,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-20 02:42:19,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:19,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:42:20,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:20,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:42:20,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:20,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:42:20,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:20,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 02:42:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:20,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:42:20,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:20,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:42:20,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:20,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:42:20,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:20,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 02:42:20,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:20,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:42:20,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:20,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:42:20,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:20,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:42:20,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:20,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-20 02:42:20,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:20,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-20 02:42:20,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:20,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:42:20,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:20,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 02:42:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:20,151 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-20 02:42:20,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:42:20,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51990220] [2022-07-20 02:42:20,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51990220] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:42:20,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:42:20,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 02:42:20,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703882787] [2022-07-20 02:42:20,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:42:20,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 02:42:20,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:42:20,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 02:42:20,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:42:20,155 INFO L87 Difference]: Start difference. First operand 1809 states and 2552 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-20 02:42:24,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:42:24,916 INFO L93 Difference]: Finished difference Result 3723 states and 5279 transitions. [2022-07-20 02:42:24,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 02:42:24,917 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 123 [2022-07-20 02:42:24,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:42:24,934 INFO L225 Difference]: With dead ends: 3723 [2022-07-20 02:42:24,935 INFO L226 Difference]: Without dead ends: 1934 [2022-07-20 02:42:24,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-07-20 02:42:24,951 INFO L413 NwaCegarLoop]: 2246 mSDtfsCounter, 4484 mSDsluCounter, 2612 mSDsCounter, 0 mSdLazyCounter, 3088 mSolverCounterSat, 3573 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4484 SdHoareTripleChecker+Valid, 4858 SdHoareTripleChecker+Invalid, 6661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3573 IncrementalHoareTripleChecker+Valid, 3088 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-07-20 02:42:24,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4484 Valid, 4858 Invalid, 6661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3573 Valid, 3088 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-07-20 02:42:24,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1934 states. [2022-07-20 02:42:25,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1934 to 1809. [2022-07-20 02:42:25,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1809 states, 1242 states have (on average 1.2801932367149758) internal successors, (1590), 1286 states have internal predecessors, (1590), 481 states have call successors, (481), 85 states have call predecessors, (481), 85 states have return successors, (480), 466 states have call predecessors, (480), 480 states have call successors, (480) [2022-07-20 02:42:25,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 1809 states and 2551 transitions. [2022-07-20 02:42:25,061 INFO L78 Accepts]: Start accepts. Automaton has 1809 states and 2551 transitions. Word has length 123 [2022-07-20 02:42:25,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:42:25,062 INFO L495 AbstractCegarLoop]: Abstraction has 1809 states and 2551 transitions. [2022-07-20 02:42:25,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-20 02:42:25,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1809 states and 2551 transitions. [2022-07-20 02:42:25,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-07-20 02:42:25,064 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:42:25,064 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:42:25,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 02:42:25,065 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 02:42:25,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:42:25,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1270282586, now seen corresponding path program 1 times [2022-07-20 02:42:25,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:42:25,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822718794] [2022-07-20 02:42:25,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:42:25,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:42:25,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:25,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:42:25,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:25,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:42:25,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:25,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-20 02:42:25,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:25,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:42:25,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:25,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:42:25,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:25,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:42:25,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:25,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 02:42:25,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:25,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:42:25,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:25,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:42:25,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:25,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:42:25,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:25,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 02:42:25,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:25,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:42:25,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:25,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:42:25,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:25,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:42:25,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:25,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-20 02:42:25,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:25,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-20 02:42:25,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:25,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:42:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:25,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 02:42:25,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:25,443 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-20 02:42:25,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:42:25,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822718794] [2022-07-20 02:42:25,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822718794] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:42:25,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:42:25,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 02:42:25,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748417872] [2022-07-20 02:42:25,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:42:25,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 02:42:25,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:42:25,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 02:42:25,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:42:25,446 INFO L87 Difference]: Start difference. First operand 1809 states and 2551 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-20 02:42:30,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:42:30,385 INFO L93 Difference]: Finished difference Result 3723 states and 5277 transitions. [2022-07-20 02:42:30,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 02:42:30,386 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 124 [2022-07-20 02:42:30,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:42:30,402 INFO L225 Difference]: With dead ends: 3723 [2022-07-20 02:42:30,403 INFO L226 Difference]: Without dead ends: 1934 [2022-07-20 02:42:30,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-07-20 02:42:30,419 INFO L413 NwaCegarLoop]: 2245 mSDtfsCounter, 4477 mSDsluCounter, 2610 mSDsCounter, 0 mSdLazyCounter, 3088 mSolverCounterSat, 3575 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4477 SdHoareTripleChecker+Valid, 4855 SdHoareTripleChecker+Invalid, 6663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3575 IncrementalHoareTripleChecker+Valid, 3088 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-07-20 02:42:30,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4477 Valid, 4855 Invalid, 6663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3575 Valid, 3088 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-07-20 02:42:30,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1934 states. [2022-07-20 02:42:30,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1934 to 1809. [2022-07-20 02:42:30,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1809 states, 1242 states have (on average 1.2793880837359097) internal successors, (1589), 1286 states have internal predecessors, (1589), 481 states have call successors, (481), 85 states have call predecessors, (481), 85 states have return successors, (480), 466 states have call predecessors, (480), 480 states have call successors, (480) [2022-07-20 02:42:30,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 1809 states and 2550 transitions. [2022-07-20 02:42:30,531 INFO L78 Accepts]: Start accepts. Automaton has 1809 states and 2550 transitions. Word has length 124 [2022-07-20 02:42:30,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:42:30,532 INFO L495 AbstractCegarLoop]: Abstraction has 1809 states and 2550 transitions. [2022-07-20 02:42:30,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-20 02:42:30,533 INFO L276 IsEmpty]: Start isEmpty. Operand 1809 states and 2550 transitions. [2022-07-20 02:42:30,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-07-20 02:42:30,534 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:42:30,534 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:42:30,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 02:42:30,535 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 02:42:30,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:42:30,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1455039426, now seen corresponding path program 1 times [2022-07-20 02:42:30,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:42:30,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574672662] [2022-07-20 02:42:30,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:42:30,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:42:30,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:30,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:42:30,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:30,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:42:30,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:30,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-20 02:42:30,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:30,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:42:30,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:30,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:42:30,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:30,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:42:30,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:30,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 02:42:30,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:30,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:42:30,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:30,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:42:30,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:30,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:42:30,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:30,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 02:42:30,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:30,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:42:30,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:30,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:42:30,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:30,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:42:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:30,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-20 02:42:30,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:30,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-20 02:42:30,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:30,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:42:30,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:30,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 02:42:30,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:30,941 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-20 02:42:30,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:42:30,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574672662] [2022-07-20 02:42:30,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574672662] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:42:30,942 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:42:30,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 02:42:30,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312599441] [2022-07-20 02:42:30,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:42:30,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 02:42:30,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:42:30,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 02:42:30,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:42:30,944 INFO L87 Difference]: Start difference. First operand 1809 states and 2550 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-20 02:42:37,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:42:37,476 INFO L93 Difference]: Finished difference Result 4659 states and 6561 transitions. [2022-07-20 02:42:37,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-20 02:42:37,477 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 125 [2022-07-20 02:42:37,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:42:37,498 INFO L225 Difference]: With dead ends: 4659 [2022-07-20 02:42:37,499 INFO L226 Difference]: Without dead ends: 2870 [2022-07-20 02:42:37,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2022-07-20 02:42:37,510 INFO L413 NwaCegarLoop]: 2848 mSDtfsCounter, 5911 mSDsluCounter, 3871 mSDsCounter, 0 mSdLazyCounter, 4479 mSolverCounterSat, 3596 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6228 SdHoareTripleChecker+Valid, 6719 SdHoareTripleChecker+Invalid, 8075 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3596 IncrementalHoareTripleChecker+Valid, 4479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-07-20 02:42:37,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6228 Valid, 6719 Invalid, 8075 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3596 Valid, 4479 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-07-20 02:42:37,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2870 states. [2022-07-20 02:42:37,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2870 to 2738. [2022-07-20 02:42:37,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2738 states, 1919 states have (on average 1.286086503387181) internal successors, (2468), 1991 states have internal predecessors, (2468), 672 states have call successors, (672), 159 states have call predecessors, (672), 146 states have return successors, (681), 625 states have call predecessors, (681), 671 states have call successors, (681) [2022-07-20 02:42:37,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2738 states to 2738 states and 3821 transitions. [2022-07-20 02:42:37,705 INFO L78 Accepts]: Start accepts. Automaton has 2738 states and 3821 transitions. Word has length 125 [2022-07-20 02:42:37,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:42:37,706 INFO L495 AbstractCegarLoop]: Abstraction has 2738 states and 3821 transitions. [2022-07-20 02:42:37,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-20 02:42:37,706 INFO L276 IsEmpty]: Start isEmpty. Operand 2738 states and 3821 transitions. [2022-07-20 02:42:37,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-20 02:42:37,709 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:42:37,709 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:42:37,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-20 02:42:37,710 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 02:42:37,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:42:37,710 INFO L85 PathProgramCache]: Analyzing trace with hash 73840726, now seen corresponding path program 1 times [2022-07-20 02:42:37,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:42:37,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906019326] [2022-07-20 02:42:37,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:42:37,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:42:37,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:37,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:42:37,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:37,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:42:37,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:37,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-20 02:42:37,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:37,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:42:37,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:37,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:42:37,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:37,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:42:37,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:37,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 02:42:37,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:37,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:42:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:37,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:42:37,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:37,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:42:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:37,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 02:42:37,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:37,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:42:37,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:37,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:42:37,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:37,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:42:37,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:37,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-20 02:42:37,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:37,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-20 02:42:37,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:37,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:42:38,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:38,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 02:42:38,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:38,070 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-20 02:42:38,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:42:38,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906019326] [2022-07-20 02:42:38,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906019326] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:42:38,071 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:42:38,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 02:42:38,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508071479] [2022-07-20 02:42:38,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:42:38,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 02:42:38,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:42:38,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 02:42:38,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:42:38,073 INFO L87 Difference]: Start difference. First operand 2738 states and 3821 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-20 02:42:42,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:42:42,743 INFO L93 Difference]: Finished difference Result 5582 states and 7856 transitions. [2022-07-20 02:42:42,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 02:42:42,743 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 126 [2022-07-20 02:42:42,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:42:42,768 INFO L225 Difference]: With dead ends: 5582 [2022-07-20 02:42:42,768 INFO L226 Difference]: Without dead ends: 2864 [2022-07-20 02:42:42,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-07-20 02:42:42,788 INFO L413 NwaCegarLoop]: 2251 mSDtfsCounter, 4463 mSDsluCounter, 2619 mSDsCounter, 0 mSdLazyCounter, 3094 mSolverCounterSat, 3563 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4463 SdHoareTripleChecker+Valid, 4870 SdHoareTripleChecker+Invalid, 6657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3563 IncrementalHoareTripleChecker+Valid, 3094 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-07-20 02:42:42,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4463 Valid, 4870 Invalid, 6657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3563 Valid, 3094 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-07-20 02:42:42,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2864 states. [2022-07-20 02:42:43,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2864 to 2738. [2022-07-20 02:42:43,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2738 states, 1919 states have (on average 1.2845231891610214) internal successors, (2465), 1991 states have internal predecessors, (2465), 672 states have call successors, (672), 159 states have call predecessors, (672), 146 states have return successors, (681), 625 states have call predecessors, (681), 671 states have call successors, (681) [2022-07-20 02:42:43,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2738 states to 2738 states and 3818 transitions. [2022-07-20 02:42:43,102 INFO L78 Accepts]: Start accepts. Automaton has 2738 states and 3818 transitions. Word has length 126 [2022-07-20 02:42:43,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:42:43,103 INFO L495 AbstractCegarLoop]: Abstraction has 2738 states and 3818 transitions. [2022-07-20 02:42:43,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-20 02:42:43,104 INFO L276 IsEmpty]: Start isEmpty. Operand 2738 states and 3818 transitions. [2022-07-20 02:42:43,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-07-20 02:42:43,106 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:42:43,106 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:42:43,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-20 02:42:43,107 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 02:42:43,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:42:43,107 INFO L85 PathProgramCache]: Analyzing trace with hash 339001786, now seen corresponding path program 1 times [2022-07-20 02:42:43,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:42:43,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011675638] [2022-07-20 02:42:43,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:42:43,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:42:43,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:43,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:42:43,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:43,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:42:43,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:43,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-20 02:42:43,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:43,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:42:43,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:43,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:42:43,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:43,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:42:43,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:43,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 02:42:43,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:43,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:42:43,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:43,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:42:43,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:43,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:42:43,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:43,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 02:42:43,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:43,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:42:43,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:43,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:42:43,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:43,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:42:43,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:43,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-20 02:42:43,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:43,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-20 02:42:43,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:43,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:42:43,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:43,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 02:42:43,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:43,487 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-20 02:42:43,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:42:43,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011675638] [2022-07-20 02:42:43,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011675638] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:42:43,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:42:43,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 02:42:43,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105154233] [2022-07-20 02:42:43,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:42:43,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 02:42:43,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:42:43,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 02:42:43,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:42:43,490 INFO L87 Difference]: Start difference. First operand 2738 states and 3818 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-20 02:42:47,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:42:47,957 INFO L93 Difference]: Finished difference Result 5582 states and 7850 transitions. [2022-07-20 02:42:47,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 02:42:47,958 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 127 [2022-07-20 02:42:47,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:42:47,978 INFO L225 Difference]: With dead ends: 5582 [2022-07-20 02:42:47,978 INFO L226 Difference]: Without dead ends: 2864 [2022-07-20 02:42:47,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-07-20 02:42:47,992 INFO L413 NwaCegarLoop]: 2250 mSDtfsCounter, 4456 mSDsluCounter, 2621 mSDsCounter, 0 mSdLazyCounter, 3090 mSolverCounterSat, 3565 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4456 SdHoareTripleChecker+Valid, 4871 SdHoareTripleChecker+Invalid, 6655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3565 IncrementalHoareTripleChecker+Valid, 3090 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-07-20 02:42:47,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4456 Valid, 4871 Invalid, 6655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3565 Valid, 3090 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-07-20 02:42:47,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2864 states. [2022-07-20 02:42:48,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2864 to 2738. [2022-07-20 02:42:48,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2738 states, 1919 states have (on average 1.2829598749348619) internal successors, (2462), 1991 states have internal predecessors, (2462), 672 states have call successors, (672), 159 states have call predecessors, (672), 146 states have return successors, (681), 625 states have call predecessors, (681), 671 states have call successors, (681) [2022-07-20 02:42:48,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2738 states to 2738 states and 3815 transitions. [2022-07-20 02:42:48,176 INFO L78 Accepts]: Start accepts. Automaton has 2738 states and 3815 transitions. Word has length 127 [2022-07-20 02:42:48,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:42:48,177 INFO L495 AbstractCegarLoop]: Abstraction has 2738 states and 3815 transitions. [2022-07-20 02:42:48,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-20 02:42:48,178 INFO L276 IsEmpty]: Start isEmpty. Operand 2738 states and 3815 transitions. [2022-07-20 02:42:48,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-20 02:42:48,179 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:42:48,180 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:42:48,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-20 02:42:48,180 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 02:42:48,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:42:48,181 INFO L85 PathProgramCache]: Analyzing trace with hash 83576658, now seen corresponding path program 1 times [2022-07-20 02:42:48,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:42:48,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467706480] [2022-07-20 02:42:48,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:42:48,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:42:48,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:48,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:42:48,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:48,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:42:48,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:48,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-20 02:42:48,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:48,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:42:48,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:48,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:42:48,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:48,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:42:48,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:48,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 02:42:48,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:48,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:42:48,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:48,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:42:48,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:48,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:42:48,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:48,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 02:42:48,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:48,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:42:48,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:48,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:42:48,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:48,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:42:48,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:48,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-20 02:42:48,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:48,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-20 02:42:48,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:48,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:42:48,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:48,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 02:42:48,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:48,515 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-20 02:42:48,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:42:48,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467706480] [2022-07-20 02:42:48,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467706480] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:42:48,516 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:42:48,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 02:42:48,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121255268] [2022-07-20 02:42:48,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:42:48,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 02:42:48,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:42:48,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 02:42:48,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:42:48,519 INFO L87 Difference]: Start difference. First operand 2738 states and 3815 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-20 02:42:53,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:42:53,178 INFO L93 Difference]: Finished difference Result 5582 states and 7844 transitions. [2022-07-20 02:42:53,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 02:42:53,178 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 128 [2022-07-20 02:42:53,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:42:53,200 INFO L225 Difference]: With dead ends: 5582 [2022-07-20 02:42:53,200 INFO L226 Difference]: Without dead ends: 2864 [2022-07-20 02:42:53,215 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-07-20 02:42:53,216 INFO L413 NwaCegarLoop]: 2239 mSDtfsCounter, 4465 mSDsluCounter, 2608 mSDsCounter, 0 mSdLazyCounter, 3082 mSolverCounterSat, 3579 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4465 SdHoareTripleChecker+Valid, 4847 SdHoareTripleChecker+Invalid, 6661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3579 IncrementalHoareTripleChecker+Valid, 3082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-07-20 02:42:53,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4465 Valid, 4847 Invalid, 6661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3579 Valid, 3082 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-07-20 02:42:53,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2864 states. [2022-07-20 02:42:53,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2864 to 2738. [2022-07-20 02:42:53,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2738 states, 1919 states have (on average 1.2813965607087026) internal successors, (2459), 1991 states have internal predecessors, (2459), 672 states have call successors, (672), 159 states have call predecessors, (672), 146 states have return successors, (681), 625 states have call predecessors, (681), 671 states have call successors, (681) [2022-07-20 02:42:53,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2738 states to 2738 states and 3812 transitions. [2022-07-20 02:42:53,457 INFO L78 Accepts]: Start accepts. Automaton has 2738 states and 3812 transitions. Word has length 128 [2022-07-20 02:42:53,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:42:53,460 INFO L495 AbstractCegarLoop]: Abstraction has 2738 states and 3812 transitions. [2022-07-20 02:42:53,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-20 02:42:53,460 INFO L276 IsEmpty]: Start isEmpty. Operand 2738 states and 3812 transitions. [2022-07-20 02:42:53,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-07-20 02:42:53,462 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:42:53,462 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:42:53,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-20 02:42:53,463 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 02:42:53,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:42:53,463 INFO L85 PathProgramCache]: Analyzing trace with hash 869848886, now seen corresponding path program 1 times [2022-07-20 02:42:53,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:42:53,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836689489] [2022-07-20 02:42:53,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:42:53,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:42:53,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:53,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:42:53,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:53,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:42:53,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:53,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-20 02:42:53,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:53,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:42:53,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:53,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:42:53,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:53,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:42:53,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:53,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 02:42:53,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:53,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:42:53,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:53,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:42:53,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:53,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:42:53,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:53,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 02:42:53,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:53,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:42:53,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:53,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:42:53,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:53,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:42:53,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:53,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-20 02:42:53,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:53,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-20 02:42:53,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:53,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:42:53,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:53,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 02:42:53,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:53,772 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-20 02:42:53,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:42:53,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836689489] [2022-07-20 02:42:53,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836689489] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:42:53,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:42:53,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 02:42:53,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70515201] [2022-07-20 02:42:53,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:42:53,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 02:42:53,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:42:53,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 02:42:53,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:42:53,775 INFO L87 Difference]: Start difference. First operand 2738 states and 3812 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-20 02:42:58,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:42:58,386 INFO L93 Difference]: Finished difference Result 5582 states and 7838 transitions. [2022-07-20 02:42:58,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 02:42:58,386 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 129 [2022-07-20 02:42:58,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:42:58,405 INFO L225 Difference]: With dead ends: 5582 [2022-07-20 02:42:58,406 INFO L226 Difference]: Without dead ends: 2864 [2022-07-20 02:42:58,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-07-20 02:42:58,418 INFO L413 NwaCegarLoop]: 2239 mSDtfsCounter, 4458 mSDsluCounter, 2608 mSDsCounter, 0 mSdLazyCounter, 3081 mSolverCounterSat, 3577 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4458 SdHoareTripleChecker+Valid, 4847 SdHoareTripleChecker+Invalid, 6658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3577 IncrementalHoareTripleChecker+Valid, 3081 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-07-20 02:42:58,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4458 Valid, 4847 Invalid, 6658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3577 Valid, 3081 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-07-20 02:42:58,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2864 states. [2022-07-20 02:42:58,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2864 to 2738. [2022-07-20 02:42:58,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2738 states, 1919 states have (on average 1.279833246482543) internal successors, (2456), 1991 states have internal predecessors, (2456), 672 states have call successors, (672), 159 states have call predecessors, (672), 146 states have return successors, (681), 625 states have call predecessors, (681), 671 states have call successors, (681) [2022-07-20 02:42:58,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2738 states to 2738 states and 3809 transitions. [2022-07-20 02:42:58,611 INFO L78 Accepts]: Start accepts. Automaton has 2738 states and 3809 transitions. Word has length 129 [2022-07-20 02:42:58,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:42:58,611 INFO L495 AbstractCegarLoop]: Abstraction has 2738 states and 3809 transitions. [2022-07-20 02:42:58,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-20 02:42:58,612 INFO L276 IsEmpty]: Start isEmpty. Operand 2738 states and 3809 transitions. [2022-07-20 02:42:58,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-20 02:42:58,614 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:42:58,614 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:42:58,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-20 02:42:58,615 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 02:42:58,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:42:58,615 INFO L85 PathProgramCache]: Analyzing trace with hash -410999218, now seen corresponding path program 1 times [2022-07-20 02:42:58,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:42:58,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876653934] [2022-07-20 02:42:58,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:42:58,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:42:58,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:58,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:42:58,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:58,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:42:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:58,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-20 02:42:58,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:58,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:42:58,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:58,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:42:58,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:58,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:42:58,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:58,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 02:42:58,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:58,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:42:58,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:58,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:42:58,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:58,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:42:58,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:58,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 02:42:58,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:58,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:42:58,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:58,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:42:58,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:58,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:42:58,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:58,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-20 02:42:58,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:58,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-20 02:42:58,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:58,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:42:58,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:58,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 02:42:58,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:42:58,919 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-20 02:42:58,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:42:58,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876653934] [2022-07-20 02:42:58,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876653934] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:42:58,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:42:58,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 02:42:58,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730329894] [2022-07-20 02:42:58,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:42:58,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 02:42:58,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:42:58,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 02:42:58,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:42:58,923 INFO L87 Difference]: Start difference. First operand 2738 states and 3809 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-20 02:43:03,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:43:03,284 INFO L93 Difference]: Finished difference Result 5582 states and 7832 transitions. [2022-07-20 02:43:03,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 02:43:03,285 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 130 [2022-07-20 02:43:03,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:43:03,311 INFO L225 Difference]: With dead ends: 5582 [2022-07-20 02:43:03,312 INFO L226 Difference]: Without dead ends: 2864 [2022-07-20 02:43:03,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-07-20 02:43:03,326 INFO L413 NwaCegarLoop]: 2242 mSDtfsCounter, 4449 mSDsluCounter, 2612 mSDsCounter, 0 mSdLazyCounter, 3084 mSolverCounterSat, 3571 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4449 SdHoareTripleChecker+Valid, 4854 SdHoareTripleChecker+Invalid, 6655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3571 IncrementalHoareTripleChecker+Valid, 3084 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-07-20 02:43:03,327 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4449 Valid, 4854 Invalid, 6655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3571 Valid, 3084 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-07-20 02:43:03,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2864 states. [2022-07-20 02:43:03,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2864 to 2738. [2022-07-20 02:43:03,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2738 states, 1919 states have (on average 1.2782699322563835) internal successors, (2453), 1991 states have internal predecessors, (2453), 672 states have call successors, (672), 159 states have call predecessors, (672), 146 states have return successors, (681), 625 states have call predecessors, (681), 671 states have call successors, (681) [2022-07-20 02:43:03,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2738 states to 2738 states and 3806 transitions. [2022-07-20 02:43:03,530 INFO L78 Accepts]: Start accepts. Automaton has 2738 states and 3806 transitions. Word has length 130 [2022-07-20 02:43:03,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:43:03,531 INFO L495 AbstractCegarLoop]: Abstraction has 2738 states and 3806 transitions. [2022-07-20 02:43:03,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-20 02:43:03,531 INFO L276 IsEmpty]: Start isEmpty. Operand 2738 states and 3806 transitions. [2022-07-20 02:43:03,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-07-20 02:43:03,533 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:43:03,533 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:43:03,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-20 02:43:03,533 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 02:43:03,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:43:03,534 INFO L85 PathProgramCache]: Analyzing trace with hash -1348068174, now seen corresponding path program 1 times [2022-07-20 02:43:03,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:43:03,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375528769] [2022-07-20 02:43:03,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:43:03,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:43:03,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:03,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:43:03,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:03,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:43:03,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:03,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-20 02:43:03,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:03,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:03,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:03,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:43:03,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:03,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:43:03,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:03,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 02:43:03,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:03,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:03,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:03,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:43:03,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:03,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:43:03,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:03,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 02:43:03,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:03,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:03,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:43:03,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:03,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:43:03,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:03,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-20 02:43:03,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:03,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-20 02:43:03,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:03,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:43:03,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:03,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 02:43:03,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:03,807 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-20 02:43:03,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:43:03,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375528769] [2022-07-20 02:43:03,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375528769] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:43:03,811 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:43:03,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 02:43:03,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735660615] [2022-07-20 02:43:03,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:43:03,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 02:43:03,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:43:03,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 02:43:03,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:43:03,813 INFO L87 Difference]: Start difference. First operand 2738 states and 3806 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-20 02:43:08,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:43:08,216 INFO L93 Difference]: Finished difference Result 5582 states and 7826 transitions. [2022-07-20 02:43:08,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 02:43:08,216 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 131 [2022-07-20 02:43:08,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:43:08,234 INFO L225 Difference]: With dead ends: 5582 [2022-07-20 02:43:08,234 INFO L226 Difference]: Without dead ends: 2864 [2022-07-20 02:43:08,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-07-20 02:43:08,247 INFO L413 NwaCegarLoop]: 2241 mSDtfsCounter, 4442 mSDsluCounter, 2615 mSDsCounter, 0 mSdLazyCounter, 3084 mSolverCounterSat, 3573 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4442 SdHoareTripleChecker+Valid, 4856 SdHoareTripleChecker+Invalid, 6657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3573 IncrementalHoareTripleChecker+Valid, 3084 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-07-20 02:43:08,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4442 Valid, 4856 Invalid, 6657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3573 Valid, 3084 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-07-20 02:43:08,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2864 states. [2022-07-20 02:43:08,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2864 to 2738. [2022-07-20 02:43:08,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2738 states, 1919 states have (on average 1.276706618030224) internal successors, (2450), 1991 states have internal predecessors, (2450), 672 states have call successors, (672), 159 states have call predecessors, (672), 146 states have return successors, (681), 625 states have call predecessors, (681), 671 states have call successors, (681) [2022-07-20 02:43:08,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2738 states to 2738 states and 3803 transitions. [2022-07-20 02:43:08,494 INFO L78 Accepts]: Start accepts. Automaton has 2738 states and 3803 transitions. Word has length 131 [2022-07-20 02:43:08,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:43:08,494 INFO L495 AbstractCegarLoop]: Abstraction has 2738 states and 3803 transitions. [2022-07-20 02:43:08,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-20 02:43:08,495 INFO L276 IsEmpty]: Start isEmpty. Operand 2738 states and 3803 transitions. [2022-07-20 02:43:08,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-07-20 02:43:08,497 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:43:08,497 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:43:08,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-20 02:43:08,497 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 02:43:08,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:43:08,499 INFO L85 PathProgramCache]: Analyzing trace with hash -217918134, now seen corresponding path program 1 times [2022-07-20 02:43:08,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:43:08,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160214012] [2022-07-20 02:43:08,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:43:08,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:43:08,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:08,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:43:08,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:08,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:43:08,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:08,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-20 02:43:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:08,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:08,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:08,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:43:08,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:08,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:43:08,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:08,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 02:43:08,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:08,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:08,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:08,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:43:08,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:08,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:43:08,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:08,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 02:43:08,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:08,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:08,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:08,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:43:08,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:08,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:43:08,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:08,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-20 02:43:08,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:08,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-20 02:43:08,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:08,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:43:08,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:08,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 02:43:08,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:08,795 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-20 02:43:08,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:43:08,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160214012] [2022-07-20 02:43:08,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160214012] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:43:08,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:43:08,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 02:43:08,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015031297] [2022-07-20 02:43:08,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:43:08,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 02:43:08,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:43:08,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 02:43:08,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:43:08,798 INFO L87 Difference]: Start difference. First operand 2738 states and 3803 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-20 02:43:13,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:43:13,029 INFO L93 Difference]: Finished difference Result 5582 states and 7820 transitions. [2022-07-20 02:43:13,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 02:43:13,030 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 132 [2022-07-20 02:43:13,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:43:13,042 INFO L225 Difference]: With dead ends: 5582 [2022-07-20 02:43:13,042 INFO L226 Difference]: Without dead ends: 2864 [2022-07-20 02:43:13,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-07-20 02:43:13,053 INFO L413 NwaCegarLoop]: 2242 mSDtfsCounter, 4435 mSDsluCounter, 2617 mSDsCounter, 0 mSdLazyCounter, 3084 mSolverCounterSat, 3569 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4435 SdHoareTripleChecker+Valid, 4859 SdHoareTripleChecker+Invalid, 6653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3569 IncrementalHoareTripleChecker+Valid, 3084 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-07-20 02:43:13,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4435 Valid, 4859 Invalid, 6653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3569 Valid, 3084 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-07-20 02:43:13,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2864 states. [2022-07-20 02:43:13,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2864 to 2738. [2022-07-20 02:43:13,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2738 states, 1919 states have (on average 1.2751433038040647) internal successors, (2447), 1991 states have internal predecessors, (2447), 672 states have call successors, (672), 159 states have call predecessors, (672), 146 states have return successors, (681), 625 states have call predecessors, (681), 671 states have call successors, (681) [2022-07-20 02:43:13,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2738 states to 2738 states and 3800 transitions. [2022-07-20 02:43:13,238 INFO L78 Accepts]: Start accepts. Automaton has 2738 states and 3800 transitions. Word has length 132 [2022-07-20 02:43:13,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:43:13,238 INFO L495 AbstractCegarLoop]: Abstraction has 2738 states and 3800 transitions. [2022-07-20 02:43:13,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-20 02:43:13,239 INFO L276 IsEmpty]: Start isEmpty. Operand 2738 states and 3800 transitions. [2022-07-20 02:43:13,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-07-20 02:43:13,241 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:43:13,241 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:43:13,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-20 02:43:13,241 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 02:43:13,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:43:13,242 INFO L85 PathProgramCache]: Analyzing trace with hash 571511342, now seen corresponding path program 1 times [2022-07-20 02:43:13,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:43:13,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943901173] [2022-07-20 02:43:13,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:43:13,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:43:13,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:13,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:43:13,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:13,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:43:13,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:13,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-20 02:43:13,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:13,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:13,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:13,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:43:13,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:13,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:43:13,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:13,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 02:43:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:13,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:13,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:13,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:43:13,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:13,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:43:13,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:13,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 02:43:13,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:13,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:13,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:13,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:43:13,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:13,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:43:13,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:13,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-20 02:43:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:13,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-20 02:43:13,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:13,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:43:13,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:13,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 02:43:13,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:13,523 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-20 02:43:13,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:43:13,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943901173] [2022-07-20 02:43:13,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943901173] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:43:13,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:43:13,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 02:43:13,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525419041] [2022-07-20 02:43:13,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:43:13,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 02:43:13,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:43:13,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 02:43:13,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:43:13,526 INFO L87 Difference]: Start difference. First operand 2738 states and 3800 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-20 02:43:17,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:43:17,835 INFO L93 Difference]: Finished difference Result 5582 states and 7814 transitions. [2022-07-20 02:43:17,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 02:43:17,835 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 133 [2022-07-20 02:43:17,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:43:17,850 INFO L225 Difference]: With dead ends: 5582 [2022-07-20 02:43:17,850 INFO L226 Difference]: Without dead ends: 2864 [2022-07-20 02:43:17,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-07-20 02:43:17,864 INFO L413 NwaCegarLoop]: 2240 mSDtfsCounter, 4432 mSDsluCounter, 2617 mSDsCounter, 0 mSdLazyCounter, 3085 mSolverCounterSat, 3573 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4432 SdHoareTripleChecker+Valid, 4857 SdHoareTripleChecker+Invalid, 6658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3573 IncrementalHoareTripleChecker+Valid, 3085 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-07-20 02:43:17,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4432 Valid, 4857 Invalid, 6658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3573 Valid, 3085 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-07-20 02:43:17,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2864 states. [2022-07-20 02:43:18,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2864 to 2738. [2022-07-20 02:43:18,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2738 states, 1919 states have (on average 1.2735799895779052) internal successors, (2444), 1991 states have internal predecessors, (2444), 672 states have call successors, (672), 159 states have call predecessors, (672), 146 states have return successors, (681), 625 states have call predecessors, (681), 671 states have call successors, (681) [2022-07-20 02:43:18,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2738 states to 2738 states and 3797 transitions. [2022-07-20 02:43:18,022 INFO L78 Accepts]: Start accepts. Automaton has 2738 states and 3797 transitions. Word has length 133 [2022-07-20 02:43:18,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:43:18,022 INFO L495 AbstractCegarLoop]: Abstraction has 2738 states and 3797 transitions. [2022-07-20 02:43:18,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-20 02:43:18,023 INFO L276 IsEmpty]: Start isEmpty. Operand 2738 states and 3797 transitions. [2022-07-20 02:43:18,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-07-20 02:43:18,025 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:43:18,025 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:43:18,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-20 02:43:18,025 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 02:43:18,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:43:18,026 INFO L85 PathProgramCache]: Analyzing trace with hash 600140493, now seen corresponding path program 1 times [2022-07-20 02:43:18,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:43:18,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198316702] [2022-07-20 02:43:18,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:43:18,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:43:18,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:18,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:43:18,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:18,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:43:18,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:18,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-20 02:43:18,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:18,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:18,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:18,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:43:18,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:18,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:43:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:18,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 02:43:18,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:18,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:18,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:18,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:43:18,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:18,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:43:18,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:18,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 02:43:18,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:18,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:18,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:18,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:43:18,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:18,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:43:18,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:18,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-20 02:43:18,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:18,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-20 02:43:18,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:18,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:43:18,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:18,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 02:43:18,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:18,263 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-20 02:43:18,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:43:18,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198316702] [2022-07-20 02:43:18,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198316702] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:43:18,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:43:18,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 02:43:18,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799304407] [2022-07-20 02:43:18,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:43:18,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 02:43:18,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:43:18,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 02:43:18,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:43:18,267 INFO L87 Difference]: Start difference. First operand 2738 states and 3797 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2022-07-20 02:43:22,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:43:22,902 INFO L93 Difference]: Finished difference Result 2876 states and 4024 transitions. [2022-07-20 02:43:22,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 02:43:22,903 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) Word has length 133 [2022-07-20 02:43:22,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:43:22,916 INFO L225 Difference]: With dead ends: 2876 [2022-07-20 02:43:22,916 INFO L226 Difference]: Without dead ends: 2874 [2022-07-20 02:43:22,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-07-20 02:43:22,919 INFO L413 NwaCegarLoop]: 2252 mSDtfsCounter, 1196 mSDsluCounter, 5516 mSDsCounter, 0 mSdLazyCounter, 5360 mSolverCounterSat, 1327 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1288 SdHoareTripleChecker+Valid, 7768 SdHoareTripleChecker+Invalid, 6687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1327 IncrementalHoareTripleChecker+Valid, 5360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-07-20 02:43:22,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1288 Valid, 7768 Invalid, 6687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1327 Valid, 5360 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-07-20 02:43:22,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2874 states. [2022-07-20 02:43:23,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2874 to 2744. [2022-07-20 02:43:23,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2744 states, 1923 states have (on average 1.2719708788351534) internal successors, (2446), 1996 states have internal predecessors, (2446), 672 states have call successors, (672), 159 states have call predecessors, (672), 148 states have return successors, (685), 626 states have call predecessors, (685), 671 states have call successors, (685) [2022-07-20 02:43:23,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2744 states to 2744 states and 3803 transitions. [2022-07-20 02:43:23,118 INFO L78 Accepts]: Start accepts. Automaton has 2744 states and 3803 transitions. Word has length 133 [2022-07-20 02:43:23,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:43:23,119 INFO L495 AbstractCegarLoop]: Abstraction has 2744 states and 3803 transitions. [2022-07-20 02:43:23,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2022-07-20 02:43:23,119 INFO L276 IsEmpty]: Start isEmpty. Operand 2744 states and 3803 transitions. [2022-07-20 02:43:23,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-07-20 02:43:23,124 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:43:23,124 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:43:23,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-20 02:43:23,125 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 02:43:23,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:43:23,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1697750653, now seen corresponding path program 1 times [2022-07-20 02:43:23,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:43:23,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895513342] [2022-07-20 02:43:23,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:43:23,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:43:23,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:23,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-20 02:43:23,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:23,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:23,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:23,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-20 02:43:23,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:23,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:43:23,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:23,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-20 02:43:23,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:23,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:43:23,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:23,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:23,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:23,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:43:23,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:23,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:43:23,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:23,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-20 02:43:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:23,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:23,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:23,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:43:23,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:23,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:43:23,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:23,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-20 02:43:23,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:23,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 02:43:23,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:23,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:23,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:23,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 02:43:23,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:23,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 02:43:23,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:23,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-20 02:43:23,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:23,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 02:43:23,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:23,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 02:43:23,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:23,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-20 02:43:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:23,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-20 02:43:23,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:23,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-20 02:43:23,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:23,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-20 02:43:23,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:23,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:23,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:23,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:43:23,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:23,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-20 02:43:23,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:23,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-20 02:43:23,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:23,379 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-07-20 02:43:23,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:43:23,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895513342] [2022-07-20 02:43:23,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895513342] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:43:23,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:43:23,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 02:43:23,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901111907] [2022-07-20 02:43:23,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:43:23,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 02:43:23,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:43:23,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 02:43:23,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:43:23,384 INFO L87 Difference]: Start difference. First operand 2744 states and 3803 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (26), 2 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-20 02:43:29,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:43:29,839 INFO L93 Difference]: Finished difference Result 4137 states and 5894 transitions. [2022-07-20 02:43:29,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-20 02:43:29,840 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (26), 2 states have call predecessors, (26), 3 states have call successors, (26) Word has length 194 [2022-07-20 02:43:29,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:43:29,856 INFO L225 Difference]: With dead ends: 4137 [2022-07-20 02:43:29,856 INFO L226 Difference]: Without dead ends: 3331 [2022-07-20 02:43:29,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2022-07-20 02:43:29,861 INFO L413 NwaCegarLoop]: 2169 mSDtfsCounter, 3880 mSDsluCounter, 3468 mSDsCounter, 0 mSdLazyCounter, 4655 mSolverCounterSat, 3817 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4136 SdHoareTripleChecker+Valid, 5637 SdHoareTripleChecker+Invalid, 8472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3817 IncrementalHoareTripleChecker+Valid, 4655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-07-20 02:43:29,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4136 Valid, 5637 Invalid, 8472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3817 Valid, 4655 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-07-20 02:43:29,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3331 states. [2022-07-20 02:43:30,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3331 to 2748. [2022-07-20 02:43:30,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2748 states, 1926 states have (on average 1.2710280373831775) internal successors, (2448), 1999 states have internal predecessors, (2448), 672 states have call successors, (672), 159 states have call predecessors, (672), 149 states have return successors, (687), 627 states have call predecessors, (687), 671 states have call successors, (687) [2022-07-20 02:43:30,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2748 states to 2748 states and 3807 transitions. [2022-07-20 02:43:30,097 INFO L78 Accepts]: Start accepts. Automaton has 2748 states and 3807 transitions. Word has length 194 [2022-07-20 02:43:30,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:43:30,097 INFO L495 AbstractCegarLoop]: Abstraction has 2748 states and 3807 transitions. [2022-07-20 02:43:30,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (26), 2 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-20 02:43:30,097 INFO L276 IsEmpty]: Start isEmpty. Operand 2748 states and 3807 transitions. [2022-07-20 02:43:30,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-07-20 02:43:30,102 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:43:30,102 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:43:30,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-20 02:43:30,103 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 02:43:30,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:43:30,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1916739649, now seen corresponding path program 1 times [2022-07-20 02:43:30,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:43:30,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751533727] [2022-07-20 02:43:30,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:43:30,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:43:30,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:30,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:43:30,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:30,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:43:30,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:30,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 02:43:30,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:30,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:30,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:30,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-20 02:43:30,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:30,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-20 02:43:30,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:30,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-20 02:43:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:30,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-20 02:43:30,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:30,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:30,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:30,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:43:30,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:30,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:43:30,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:30,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-20 02:43:30,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:30,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:30,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:30,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:43:30,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:30,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:43:30,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:30,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-20 02:43:30,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:30,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-20 02:43:30,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:30,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:30,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:30,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 02:43:30,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:30,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 02:43:30,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:30,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 02:43:30,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:30,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 02:43:30,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:30,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-20 02:43:30,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:30,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-20 02:43:30,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:30,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 02:43:30,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:30,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-20 02:43:30,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:30,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-20 02:43:30,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:30,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:30,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:30,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:43:30,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:30,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-20 02:43:30,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:30,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-20 02:43:30,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:30,439 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-07-20 02:43:30,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:43:30,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751533727] [2022-07-20 02:43:30,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751533727] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:43:30,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:43:30,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 02:43:30,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307093964] [2022-07-20 02:43:30,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:43:30,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 02:43:30,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:43:30,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 02:43:30,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:43:30,443 INFO L87 Difference]: Start difference. First operand 2748 states and 3807 transitions. Second operand has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 4 states have call successors, (31), 6 states have call predecessors, (31), 2 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2022-07-20 02:43:36,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:43:36,611 INFO L93 Difference]: Finished difference Result 5614 states and 8000 transitions. [2022-07-20 02:43:36,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-20 02:43:36,611 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 4 states have call successors, (31), 6 states have call predecessors, (31), 2 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) Word has length 210 [2022-07-20 02:43:36,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:43:36,632 INFO L225 Difference]: With dead ends: 5614 [2022-07-20 02:43:36,633 INFO L226 Difference]: Without dead ends: 3337 [2022-07-20 02:43:36,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2022-07-20 02:43:36,647 INFO L413 NwaCegarLoop]: 2168 mSDtfsCounter, 3368 mSDsluCounter, 4007 mSDsCounter, 0 mSdLazyCounter, 4777 mSolverCounterSat, 3834 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3473 SdHoareTripleChecker+Valid, 6175 SdHoareTripleChecker+Invalid, 8611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3834 IncrementalHoareTripleChecker+Valid, 4777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-07-20 02:43:36,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3473 Valid, 6175 Invalid, 8611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3834 Valid, 4777 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-07-20 02:43:36,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3337 states. [2022-07-20 02:43:36,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3337 to 2752. [2022-07-20 02:43:36,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2752 states, 1929 states have (on average 1.2711249351995852) internal successors, (2452), 2001 states have internal predecessors, (2452), 673 states have call successors, (673), 159 states have call predecessors, (673), 149 states have return successors, (688), 629 states have call predecessors, (688), 672 states have call successors, (688) [2022-07-20 02:43:36,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2752 states to 2752 states and 3813 transitions. [2022-07-20 02:43:36,883 INFO L78 Accepts]: Start accepts. Automaton has 2752 states and 3813 transitions. Word has length 210 [2022-07-20 02:43:36,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:43:36,883 INFO L495 AbstractCegarLoop]: Abstraction has 2752 states and 3813 transitions. [2022-07-20 02:43:36,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 4 states have call successors, (31), 6 states have call predecessors, (31), 2 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2022-07-20 02:43:36,884 INFO L276 IsEmpty]: Start isEmpty. Operand 2752 states and 3813 transitions. [2022-07-20 02:43:36,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-07-20 02:43:36,889 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:43:36,889 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:43:36,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-20 02:43:36,889 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 02:43:36,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:43:36,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1407266559, now seen corresponding path program 1 times [2022-07-20 02:43:36,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:43:36,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014463592] [2022-07-20 02:43:36,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:43:36,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:43:36,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:37,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:43:37,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:37,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:43:37,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:37,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 02:43:37,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:37,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:37,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:37,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-20 02:43:37,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:37,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-20 02:43:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:37,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-20 02:43:37,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:37,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-20 02:43:37,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:37,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:37,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:37,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:43:37,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:37,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:43:37,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:37,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-20 02:43:37,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:37,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:37,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:37,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:43:37,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:37,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:43:37,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:37,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-20 02:43:37,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:37,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-20 02:43:37,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:37,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:37,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 02:43:37,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:37,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 02:43:37,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:37,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 02:43:37,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:37,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 02:43:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:37,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-20 02:43:37,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:37,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-20 02:43:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:37,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 02:43:37,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:37,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-20 02:43:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:37,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-20 02:43:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:37,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:37,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:37,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:43:37,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:37,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-20 02:43:37,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:37,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-20 02:43:37,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:37,257 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-07-20 02:43:37,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:43:37,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014463592] [2022-07-20 02:43:37,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014463592] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:43:37,258 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:43:37,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 02:43:37,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200136062] [2022-07-20 02:43:37,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:43:37,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 02:43:37,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:43:37,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 02:43:37,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:43:37,260 INFO L87 Difference]: Start difference. First operand 2752 states and 3813 transitions. Second operand has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (31), 6 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-20 02:43:43,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:43:43,633 INFO L93 Difference]: Finished difference Result 5655 states and 8057 transitions. [2022-07-20 02:43:43,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-20 02:43:43,640 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (31), 6 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 3 states have call successors, (28) Word has length 210 [2022-07-20 02:43:43,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:43:43,659 INFO L225 Difference]: With dead ends: 5655 [2022-07-20 02:43:43,659 INFO L226 Difference]: Without dead ends: 3374 [2022-07-20 02:43:43,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2022-07-20 02:43:43,671 INFO L413 NwaCegarLoop]: 2153 mSDtfsCounter, 3468 mSDsluCounter, 3997 mSDsCounter, 0 mSdLazyCounter, 4776 mSolverCounterSat, 3932 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3573 SdHoareTripleChecker+Valid, 6150 SdHoareTripleChecker+Invalid, 8708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3932 IncrementalHoareTripleChecker+Valid, 4776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-07-20 02:43:43,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3573 Valid, 6150 Invalid, 8708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3932 Valid, 4776 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-07-20 02:43:43,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3374 states. [2022-07-20 02:43:43,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3374 to 2754. [2022-07-20 02:43:43,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2754 states, 1931 states have (on average 1.2708441222164681) internal successors, (2454), 2003 states have internal predecessors, (2454), 673 states have call successors, (673), 159 states have call predecessors, (673), 149 states have return successors, (688), 629 states have call predecessors, (688), 672 states have call successors, (688) [2022-07-20 02:43:43,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2754 states to 2754 states and 3815 transitions. [2022-07-20 02:43:43,917 INFO L78 Accepts]: Start accepts. Automaton has 2754 states and 3815 transitions. Word has length 210 [2022-07-20 02:43:43,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:43:43,917 INFO L495 AbstractCegarLoop]: Abstraction has 2754 states and 3815 transitions. [2022-07-20 02:43:43,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (31), 6 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-20 02:43:43,918 INFO L276 IsEmpty]: Start isEmpty. Operand 2754 states and 3815 transitions. [2022-07-20 02:43:43,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2022-07-20 02:43:43,922 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:43:43,923 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:43:43,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-20 02:43:43,923 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 02:43:43,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:43:43,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1238725689, now seen corresponding path program 1 times [2022-07-20 02:43:43,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:43:43,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126358341] [2022-07-20 02:43:43,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:43:43,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:43:44,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:44,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:43:44,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:44,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:43:44,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:44,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-20 02:43:44,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:44,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:44,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:44,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:43:44,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:44,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:43:44,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:44,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 02:43:44,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:44,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:44,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:44,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:43:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:44,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:43:44,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:44,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 02:43:44,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:44,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:44,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:44,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:43:44,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:44,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:43:44,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:44,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-20 02:43:44,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:44,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-20 02:43:44,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:44,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:43:44,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:44,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 02:43:44,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:44,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:44,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:44,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-20 02:43:44,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:44,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-20 02:43:44,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:44,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 02:43:44,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:44,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-20 02:43:44,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:44,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:44,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:44,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:44,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:44,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 02:43:44,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:44,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:44,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:44,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:44,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:44,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-20 02:43:44,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:44,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 02:43:44,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:44,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:44,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:44,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 02:43:44,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:44,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 02:43:44,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:44,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-20 02:43:44,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:44,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-20 02:43:44,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:44,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-20 02:43:44,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:44,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-20 02:43:44,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:44,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:44,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:44,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:43:44,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:44,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-20 02:43:44,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:44,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-20 02:43:44,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:44,329 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2022-07-20 02:43:44,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:43:44,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126358341] [2022-07-20 02:43:44,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126358341] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 02:43:44,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1305896303] [2022-07-20 02:43:44,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:43:44,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 02:43:44,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 02:43:44,332 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 02:43:44,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-20 02:43:45,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:45,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 3269 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-20 02:43:45,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:43:45,415 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2022-07-20 02:43:45,415 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 02:43:45,617 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2022-07-20 02:43:45,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1305896303] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 02:43:45,617 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-20 02:43:45,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 9 [2022-07-20 02:43:45,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542306064] [2022-07-20 02:43:45,618 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-20 02:43:45,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-20 02:43:45,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:43:45,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-20 02:43:45,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-20 02:43:45,620 INFO L87 Difference]: Start difference. First operand 2754 states and 3815 transitions. Second operand has 9 states, 9 states have (on average 16.11111111111111) internal successors, (145), 6 states have internal predecessors, (145), 3 states have call successors, (47), 5 states have call predecessors, (47), 2 states have return successors, (34), 2 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-20 02:43:50,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:43:50,240 INFO L93 Difference]: Finished difference Result 5320 states and 7477 transitions. [2022-07-20 02:43:50,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-20 02:43:50,242 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.11111111111111) internal successors, (145), 6 states have internal predecessors, (145), 3 states have call successors, (47), 5 states have call predecessors, (47), 2 states have return successors, (34), 2 states have call predecessors, (34), 3 states have call successors, (34) Word has length 275 [2022-07-20 02:43:50,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:43:50,253 INFO L225 Difference]: With dead ends: 5320 [2022-07-20 02:43:50,253 INFO L226 Difference]: Without dead ends: 3037 [2022-07-20 02:43:50,264 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 650 GetRequests, 631 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=139, Invalid=281, Unknown=0, NotChecked=0, Total=420 [2022-07-20 02:43:50,265 INFO L413 NwaCegarLoop]: 2160 mSDtfsCounter, 2332 mSDsluCounter, 3317 mSDsCounter, 0 mSdLazyCounter, 3792 mSolverCounterSat, 2528 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2440 SdHoareTripleChecker+Valid, 5477 SdHoareTripleChecker+Invalid, 6320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2528 IncrementalHoareTripleChecker+Valid, 3792 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-07-20 02:43:50,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2440 Valid, 5477 Invalid, 6320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2528 Valid, 3792 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-07-20 02:43:50,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3037 states. [2022-07-20 02:43:50,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3037 to 2856. [2022-07-20 02:43:50,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2856 states, 2000 states have (on average 1.269) internal successors, (2538), 2075 states have internal predecessors, (2538), 706 states have call successors, (706), 159 states have call predecessors, (706), 149 states have return successors, (721), 662 states have call predecessors, (721), 705 states have call successors, (721) [2022-07-20 02:43:50,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2856 states to 2856 states and 3965 transitions. [2022-07-20 02:43:50,487 INFO L78 Accepts]: Start accepts. Automaton has 2856 states and 3965 transitions. Word has length 275 [2022-07-20 02:43:50,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:43:50,487 INFO L495 AbstractCegarLoop]: Abstraction has 2856 states and 3965 transitions. [2022-07-20 02:43:50,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.11111111111111) internal successors, (145), 6 states have internal predecessors, (145), 3 states have call successors, (47), 5 states have call predecessors, (47), 2 states have return successors, (34), 2 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-20 02:43:50,488 INFO L276 IsEmpty]: Start isEmpty. Operand 2856 states and 3965 transitions. [2022-07-20 02:43:50,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2022-07-20 02:43:50,494 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:43:50,495 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:43:50,530 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-20 02:43:50,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 02:43:50,724 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 02:43:50,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:43:50,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1188728478, now seen corresponding path program 1 times [2022-07-20 02:43:50,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:43:50,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078224766] [2022-07-20 02:43:50,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:43:50,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:43:50,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:50,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:43:50,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:50,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:43:50,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:50,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-20 02:43:50,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:50,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:50,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:50,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:43:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:50,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:43:50,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:50,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 02:43:50,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:50,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:50,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:50,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:43:50,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:50,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:43:50,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:50,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 02:43:50,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:50,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:50,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:50,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:43:50,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:50,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:43:50,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:50,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-20 02:43:50,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:50,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-20 02:43:50,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:50,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:43:50,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:50,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 02:43:50,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:50,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:50,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-20 02:43:50,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:51,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-20 02:43:51,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:51,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 02:43:51,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:51,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 02:43:51,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:51,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-20 02:43:51,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:51,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 02:43:51,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:51,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-20 02:43:51,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:51,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 02:43:51,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:51,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:51,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:51,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 02:43:51,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:51,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 02:43:51,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:51,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 02:43:51,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:51,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-20 02:43:51,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:51,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-20 02:43:51,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:51,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-20 02:43:51,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:51,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:51,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:51,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:43:51,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:51,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 02:43:51,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:51,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-20 02:43:51,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:51,179 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2022-07-20 02:43:51,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:43:51,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078224766] [2022-07-20 02:43:51,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078224766] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 02:43:51,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1175099516] [2022-07-20 02:43:51,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:43:51,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 02:43:51,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 02:43:51,182 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 02:43:51,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-20 02:43:52,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:52,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 3264 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-20 02:43:52,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:43:52,098 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2022-07-20 02:43:52,098 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 02:43:52,344 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2022-07-20 02:43:52,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1175099516] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 02:43:52,345 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-20 02:43:52,345 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 7] total 15 [2022-07-20 02:43:52,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468642924] [2022-07-20 02:43:52,345 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-20 02:43:52,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-20 02:43:52,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:43:52,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-20 02:43:52,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2022-07-20 02:43:52,349 INFO L87 Difference]: Start difference. First operand 2856 states and 3965 transitions. Second operand has 15 states, 15 states have (on average 11.0) internal successors, (165), 12 states have internal predecessors, (165), 3 states have call successors, (47), 5 states have call predecessors, (47), 2 states have return successors, (34), 2 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-20 02:43:57,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:43:57,455 INFO L93 Difference]: Finished difference Result 5710 states and 8053 transitions. [2022-07-20 02:43:57,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-07-20 02:43:57,455 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 11.0) internal successors, (165), 12 states have internal predecessors, (165), 3 states have call successors, (47), 5 states have call predecessors, (47), 2 states have return successors, (34), 2 states have call predecessors, (34), 3 states have call successors, (34) Word has length 280 [2022-07-20 02:43:57,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:43:57,472 INFO L225 Difference]: With dead ends: 5710 [2022-07-20 02:43:57,472 INFO L226 Difference]: Without dead ends: 3325 [2022-07-20 02:43:57,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 669 GetRequests, 632 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=487, Invalid=995, Unknown=0, NotChecked=0, Total=1482 [2022-07-20 02:43:57,483 INFO L413 NwaCegarLoop]: 2158 mSDtfsCounter, 3182 mSDsluCounter, 3319 mSDsCounter, 0 mSdLazyCounter, 4299 mSolverCounterSat, 3400 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3290 SdHoareTripleChecker+Valid, 5477 SdHoareTripleChecker+Invalid, 7699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3400 IncrementalHoareTripleChecker+Valid, 4299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-07-20 02:43:57,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3290 Valid, 5477 Invalid, 7699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3400 Valid, 4299 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-07-20 02:43:57,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2022-07-20 02:43:57,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3060. [2022-07-20 02:43:57,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3060 states, 2138 states have (on average 1.265668849391955) internal successors, (2706), 2219 states have internal predecessors, (2706), 772 states have call successors, (772), 159 states have call predecessors, (772), 149 states have return successors, (787), 728 states have call predecessors, (787), 771 states have call successors, (787) [2022-07-20 02:43:57,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3060 states to 3060 states and 4265 transitions. [2022-07-20 02:43:57,775 INFO L78 Accepts]: Start accepts. Automaton has 3060 states and 4265 transitions. Word has length 280 [2022-07-20 02:43:57,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:43:57,777 INFO L495 AbstractCegarLoop]: Abstraction has 3060 states and 4265 transitions. [2022-07-20 02:43:57,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 11.0) internal successors, (165), 12 states have internal predecessors, (165), 3 states have call successors, (47), 5 states have call predecessors, (47), 2 states have return successors, (34), 2 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-20 02:43:57,777 INFO L276 IsEmpty]: Start isEmpty. Operand 3060 states and 4265 transitions. [2022-07-20 02:43:57,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2022-07-20 02:43:57,784 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:43:57,784 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:43:57,818 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-20 02:43:58,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2022-07-20 02:43:58,008 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 02:43:58,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:43:58,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1242287644, now seen corresponding path program 1 times [2022-07-20 02:43:58,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:43:58,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460598779] [2022-07-20 02:43:58,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:43:58,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:43:58,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:58,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:43:58,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:58,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:43:58,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:58,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-20 02:43:58,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:58,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:58,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:58,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:43:58,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:58,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:43:58,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:58,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 02:43:58,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:58,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:58,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:58,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:43:58,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:58,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:43:58,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:58,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 02:43:58,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:58,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:58,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:58,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:43:58,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:58,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:43:58,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:58,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-20 02:43:58,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:58,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-20 02:43:58,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:58,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:43:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:58,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 02:43:58,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:58,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:58,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:58,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-20 02:43:58,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:58,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-20 02:43:58,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:58,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 02:43:58,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:58,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-20 02:43:58,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:58,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:58,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:58,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:58,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:58,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 02:43:58,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:58,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:58,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:58,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:58,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:58,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-20 02:43:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:58,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-20 02:43:58,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:58,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-20 02:43:58,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:58,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 02:43:58,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:58,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:43:58,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:58,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:43:58,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:58,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:43:58,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:58,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 02:43:58,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:58,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-20 02:43:58,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:58,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-20 02:43:58,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:58,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-20 02:43:58,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:58,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 02:43:58,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:58,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 02:43:58,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:58,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-20 02:43:58,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:58,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-20 02:43:58,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:58,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-20 02:43:58,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:43:58,676 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2022-07-20 02:43:58,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:43:58,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460598779] [2022-07-20 02:43:58,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460598779] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:43:58,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:43:58,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-20 02:43:58,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940467445] [2022-07-20 02:43:58,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:43:58,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-20 02:43:58,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:43:58,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-20 02:43:58,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-20 02:43:58,681 INFO L87 Difference]: Start difference. First operand 3060 states and 4265 transitions. Second operand has 9 states, 7 states have (on average 16.571428571428573) internal successors, (116), 4 states have internal predecessors, (116), 4 states have call successors, (36), 6 states have call predecessors, (36), 1 states have return successors, (32), 2 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-20 02:44:04,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:44:04,503 INFO L93 Difference]: Finished difference Result 5897 states and 8289 transitions. [2022-07-20 02:44:04,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-20 02:44:04,504 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 16.571428571428573) internal successors, (116), 4 states have internal predecessors, (116), 4 states have call successors, (36), 6 states have call predecessors, (36), 1 states have return successors, (32), 2 states have call predecessors, (32), 3 states have call successors, (32) Word has length 290 [2022-07-20 02:44:04,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:44:04,522 INFO L225 Difference]: With dead ends: 5897 [2022-07-20 02:44:04,523 INFO L226 Difference]: Without dead ends: 3190 [2022-07-20 02:44:04,536 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2022-07-20 02:44:04,537 INFO L413 NwaCegarLoop]: 2167 mSDtfsCounter, 1939 mSDsluCounter, 6558 mSDsCounter, 0 mSdLazyCounter, 8074 mSolverCounterSat, 2118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2047 SdHoareTripleChecker+Valid, 8725 SdHoareTripleChecker+Invalid, 10192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2118 IncrementalHoareTripleChecker+Valid, 8074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-07-20 02:44:04,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2047 Valid, 8725 Invalid, 10192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2118 Valid, 8074 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-07-20 02:44:04,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3190 states. [2022-07-20 02:44:04,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3190 to 2946. [2022-07-20 02:44:04,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2946 states, 2063 states have (on average 1.2709646146388753) internal successors, (2622), 2138 states have internal predecessors, (2622), 732 states have call successors, (732), 160 states have call predecessors, (732), 150 states have return successors, (747), 691 states have call predecessors, (747), 732 states have call successors, (747) [2022-07-20 02:44:04,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2946 states to 2946 states and 4101 transitions. [2022-07-20 02:44:04,800 INFO L78 Accepts]: Start accepts. Automaton has 2946 states and 4101 transitions. Word has length 290 [2022-07-20 02:44:04,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:44:04,800 INFO L495 AbstractCegarLoop]: Abstraction has 2946 states and 4101 transitions. [2022-07-20 02:44:04,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 16.571428571428573) internal successors, (116), 4 states have internal predecessors, (116), 4 states have call successors, (36), 6 states have call predecessors, (36), 1 states have return successors, (32), 2 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-20 02:44:04,800 INFO L276 IsEmpty]: Start isEmpty. Operand 2946 states and 4101 transitions. [2022-07-20 02:44:04,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2022-07-20 02:44:04,806 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:44:04,806 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:44:04,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-20 02:44:04,806 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 02:44:04,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:44:04,807 INFO L85 PathProgramCache]: Analyzing trace with hash -1618574962, now seen corresponding path program 1 times [2022-07-20 02:44:04,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:44:04,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163750663] [2022-07-20 02:44:04,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:44:04,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:44:05,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:05,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:44:05,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:05,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:44:05,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:05,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-20 02:44:05,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:05,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:44:05,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:05,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:44:05,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:05,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:44:05,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:05,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 02:44:05,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:05,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:44:05,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:05,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:44:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:05,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:44:05,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:05,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 02:44:05,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:05,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:44:05,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:05,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:44:05,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:05,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:44:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:05,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-20 02:44:05,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:05,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-20 02:44:05,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:05,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:44:05,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:05,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 02:44:05,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:05,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:44:05,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:05,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-20 02:44:05,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:05,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-20 02:44:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:05,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 02:44:05,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:05,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-20 02:44:05,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:05,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:44:05,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:05,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:44:05,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:05,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 02:44:05,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:05,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:44:05,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:05,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:44:05,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:05,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-20 02:44:05,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:05,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-20 02:44:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:05,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-20 02:44:05,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:05,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 02:44:05,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:05,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:44:05,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:05,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:44:05,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:05,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:44:05,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:05,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 02:44:05,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:05,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-20 02:44:05,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:05,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-20 02:44:05,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:05,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-20 02:44:05,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:05,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 02:44:05,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:05,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 02:44:05,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:05,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-20 02:44:05,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:05,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-20 02:44:05,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:05,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-20 02:44:05,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:05,446 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2022-07-20 02:44:05,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:44:05,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163750663] [2022-07-20 02:44:05,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163750663] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:44:05,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:44:05,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-20 02:44:05,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283654586] [2022-07-20 02:44:05,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:44:05,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-20 02:44:05,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:44:05,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-20 02:44:05,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-20 02:44:05,451 INFO L87 Difference]: Start difference. First operand 2946 states and 4101 transitions. Second operand has 8 states, 6 states have (on average 19.166666666666668) internal successors, (115), 4 states have internal predecessors, (115), 4 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-20 02:44:10,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:44:10,806 INFO L93 Difference]: Finished difference Result 5776 states and 8108 transitions. [2022-07-20 02:44:10,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-20 02:44:10,807 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 19.166666666666668) internal successors, (115), 4 states have internal predecessors, (115), 4 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 3 states have call successors, (32) Word has length 288 [2022-07-20 02:44:10,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:44:10,821 INFO L225 Difference]: With dead ends: 5776 [2022-07-20 02:44:10,822 INFO L226 Difference]: Without dead ends: 3268 [2022-07-20 02:44:10,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2022-07-20 02:44:10,836 INFO L413 NwaCegarLoop]: 2208 mSDtfsCounter, 2025 mSDsluCounter, 5526 mSDsCounter, 0 mSdLazyCounter, 6609 mSolverCounterSat, 2048 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2164 SdHoareTripleChecker+Valid, 7734 SdHoareTripleChecker+Invalid, 8657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2048 IncrementalHoareTripleChecker+Valid, 6609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-07-20 02:44:10,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2164 Valid, 7734 Invalid, 8657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2048 Valid, 6609 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-07-20 02:44:10,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3268 states. [2022-07-20 02:44:11,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3268 to 2950. [2022-07-20 02:44:11,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2950 states, 2066 states have (on average 1.270571151984511) internal successors, (2625), 2141 states have internal predecessors, (2625), 732 states have call successors, (732), 161 states have call predecessors, (732), 151 states have return successors, (746), 691 states have call predecessors, (746), 732 states have call successors, (746) [2022-07-20 02:44:11,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2950 states to 2950 states and 4103 transitions. [2022-07-20 02:44:11,168 INFO L78 Accepts]: Start accepts. Automaton has 2950 states and 4103 transitions. Word has length 288 [2022-07-20 02:44:11,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:44:11,169 INFO L495 AbstractCegarLoop]: Abstraction has 2950 states and 4103 transitions. [2022-07-20 02:44:11,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 19.166666666666668) internal successors, (115), 4 states have internal predecessors, (115), 4 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-20 02:44:11,169 INFO L276 IsEmpty]: Start isEmpty. Operand 2950 states and 4103 transitions. [2022-07-20 02:44:11,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2022-07-20 02:44:11,183 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:44:11,183 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:44:11,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-07-20 02:44:11,184 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 02:44:11,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:44:11,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1703676627, now seen corresponding path program 1 times [2022-07-20 02:44:11,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:44:11,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294446998] [2022-07-20 02:44:11,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:44:11,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:44:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:44:11,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:44:11,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-20 02:44:11,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:44:11,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:44:11,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:44:11,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 02:44:11,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:44:11,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:44:11,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:44:11,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 02:44:11,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:44:11,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:44:11,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:44:11,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-20 02:44:11,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-20 02:44:11,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:44:11,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-20 02:44:11,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:44:11,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 02:44:11,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 02:44:11,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-20 02:44:11,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:44:11,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-20 02:44:11,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:44:11,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 02:44:11,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:44:11,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 02:44:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 02:44:11,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-20 02:44:11,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:44:11,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:44:11,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 02:44:11,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-20 02:44:11,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 02:44:11,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-20 02:44:11,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:44:11,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-20 02:44:11,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:44:11,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 02:44:11,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 02:44:11,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-20 02:44:11,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-20 02:44:11,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-20 02:44:11,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-20 02:44:11,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-20 02:44:11,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-20 02:44:11,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:44:11,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-20 02:44:11,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:44:11,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-07-20 02:44:11,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-07-20 02:44:11,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-20 02:44:11,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-20 02:44:11,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-20 02:44:11,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-20 02:44:11,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:11,688 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2022-07-20 02:44:11,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:44:11,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294446998] [2022-07-20 02:44:11,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294446998] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:44:11,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:44:11,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-20 02:44:11,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841133842] [2022-07-20 02:44:11,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:44:11,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-20 02:44:11,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:44:11,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-20 02:44:11,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-20 02:44:11,691 INFO L87 Difference]: Start difference. First operand 2950 states and 4103 transitions. Second operand has 8 states, 8 states have (on average 24.0) internal successors, (192), 3 states have internal predecessors, (192), 3 states have call successors, (50), 7 states have call predecessors, (50), 1 states have return successors, (49), 2 states have call predecessors, (49), 3 states have call successors, (49) [2022-07-20 02:44:16,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:44:16,922 INFO L93 Difference]: Finished difference Result 6144 states and 8583 transitions. [2022-07-20 02:44:16,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-20 02:44:16,923 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 24.0) internal successors, (192), 3 states have internal predecessors, (192), 3 states have call successors, (50), 7 states have call predecessors, (50), 1 states have return successors, (49), 2 states have call predecessors, (49), 3 states have call successors, (49) Word has length 386 [2022-07-20 02:44:16,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:44:16,938 INFO L225 Difference]: With dead ends: 6144 [2022-07-20 02:44:16,939 INFO L226 Difference]: Without dead ends: 3212 [2022-07-20 02:44:16,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-07-20 02:44:16,949 INFO L413 NwaCegarLoop]: 2100 mSDtfsCounter, 2437 mSDsluCounter, 3808 mSDsCounter, 0 mSdLazyCounter, 4074 mSolverCounterSat, 2701 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2544 SdHoareTripleChecker+Valid, 5908 SdHoareTripleChecker+Invalid, 6775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2701 IncrementalHoareTripleChecker+Valid, 4074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-07-20 02:44:16,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2544 Valid, 5908 Invalid, 6775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2701 Valid, 4074 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-07-20 02:44:16,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3212 states. [2022-07-20 02:44:17,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3212 to 2965. [2022-07-20 02:44:17,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2965 states, 2081 states have (on average 1.2700624699663623) internal successors, (2643), 2156 states have internal predecessors, (2643), 732 states have call successors, (732), 161 states have call predecessors, (732), 151 states have return successors, (746), 691 states have call predecessors, (746), 732 states have call successors, (746) [2022-07-20 02:44:17,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2965 states to 2965 states and 4121 transitions. [2022-07-20 02:44:17,268 INFO L78 Accepts]: Start accepts. Automaton has 2965 states and 4121 transitions. Word has length 386 [2022-07-20 02:44:17,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:44:17,269 INFO L495 AbstractCegarLoop]: Abstraction has 2965 states and 4121 transitions. [2022-07-20 02:44:17,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 24.0) internal successors, (192), 3 states have internal predecessors, (192), 3 states have call successors, (50), 7 states have call predecessors, (50), 1 states have return successors, (49), 2 states have call predecessors, (49), 3 states have call successors, (49) [2022-07-20 02:44:17,269 INFO L276 IsEmpty]: Start isEmpty. Operand 2965 states and 4121 transitions. [2022-07-20 02:44:17,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2022-07-20 02:44:17,289 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:44:17,289 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:44:17,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-07-20 02:44:17,290 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 02:44:17,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:44:17,291 INFO L85 PathProgramCache]: Analyzing trace with hash -335694002, now seen corresponding path program 1 times [2022-07-20 02:44:17,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:44:17,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752876290] [2022-07-20 02:44:17,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:44:17,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:44:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:44:17,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:44:17,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-20 02:44:17,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:44:17,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:44:17,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:44:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 02:44:17,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:44:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:44:17,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:44:17,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 02:44:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:44:17,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:44:17,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:44:17,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-20 02:44:17,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-20 02:44:17,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:44:17,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-20 02:44:17,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:44:17,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 02:44:17,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 02:44:17,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-20 02:44:17,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:44:17,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 02:44:17,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:44:17,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 02:44:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:44:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 02:44:17,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 02:44:17,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 02:44:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:44:17,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:44:17,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-20 02:44:17,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-20 02:44:17,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-20 02:44:17,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-20 02:44:17,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:44:17,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-07-20 02:44:17,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:44:17,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 02:44:17,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 02:44:17,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-20 02:44:17,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-20 02:44:17,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-20 02:44:17,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-20 02:44:17,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-20 02:44:17,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-20 02:44:17,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:44:17,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-07-20 02:44:17,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:44:17,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-20 02:44:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-20 02:44:17,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-20 02:44:17,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-07-20 02:44:17,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-20 02:44:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-20 02:44:17,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:17,864 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2022-07-20 02:44:17,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:44:17,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752876290] [2022-07-20 02:44:17,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752876290] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 02:44:17,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168333965] [2022-07-20 02:44:17,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:44:17,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 02:44:17,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 02:44:17,867 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 02:44:17,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-20 02:44:18,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:44:19,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 4005 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:44:19,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:44:19,183 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2022-07-20 02:44:19,183 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:44:19,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1168333965] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:44:19,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 02:44:19,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-07-20 02:44:19,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89558971] [2022-07-20 02:44:19,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:44:19,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:44:19,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:44:19,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:44:19,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-07-20 02:44:19,186 INFO L87 Difference]: Start difference. First operand 2965 states and 4121 transitions. Second operand has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 2 states have call successors, (50), 2 states have call predecessors, (50), 3 states have return successors, (49), 3 states have call predecessors, (49), 2 states have call successors, (49) [2022-07-20 02:44:19,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:44:19,500 INFO L93 Difference]: Finished difference Result 5091 states and 7099 transitions. [2022-07-20 02:44:19,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:44:19,501 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 2 states have call successors, (50), 2 states have call predecessors, (50), 3 states have return successors, (49), 3 states have call predecessors, (49), 2 states have call successors, (49) Word has length 390 [2022-07-20 02:44:19,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:44:19,504 INFO L225 Difference]: With dead ends: 5091 [2022-07-20 02:44:19,504 INFO L226 Difference]: Without dead ends: 0 [2022-07-20 02:44:19,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 505 GetRequests, 497 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-07-20 02:44:19,518 INFO L413 NwaCegarLoop]: 2481 mSDtfsCounter, 838 mSDsluCounter, 1576 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 838 SdHoareTripleChecker+Valid, 4057 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 02:44:19,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [838 Valid, 4057 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 02:44:19,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-20 02:44:19,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-20 02:44:19,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 02:44:19,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-20 02:44:19,520 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 390 [2022-07-20 02:44:19,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:44:19,520 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-20 02:44:19,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 2 states have call successors, (50), 2 states have call predecessors, (50), 3 states have return successors, (49), 3 states have call predecessors, (49), 2 states have call successors, (49) [2022-07-20 02:44:19,521 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-20 02:44:19,521 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-20 02:44:19,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-20 02:44:19,554 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-20 02:44:19,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 02:44:19,731 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.